TWI434392B - Led device having light guide array with curved surface - Google Patents
Led device having light guide array with curved surface Download PDFInfo
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- TWI434392B TWI434392B TW099116628A TW99116628A TWI434392B TW I434392 B TWI434392 B TW I434392B TW 099116628 A TW099116628 A TW 099116628A TW 99116628 A TW99116628 A TW 99116628A TW I434392 B TWI434392 B TW I434392B
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- Prior art keywords
- light
- light guide
- curved
- array
- substrate
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- 239000000758 substrate Substances 0.000 claims description 24
- 230000003287 optical effect Effects 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007591 painting process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 210000004508 polar body Anatomy 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F13/00—Illuminated signs; Luminous advertising
- G09F13/20—Illuminated signs; Luminous advertising with luminescent surfaces or parts
- G09F13/22—Illuminated signs; Luminous advertising with luminescent surfaces or parts electroluminescent
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2105/00—Planar light sources
- F21Y2105/10—Planar light sources comprising a two-dimensional array of point-like light-generating elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4249—Packages, e.g. shape, construction, internal or external details comprising arrays of active devices and fibres
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4298—Coupling light guides with opto-electronic elements coupling with non-coherent light sources and/or radiation detectors, e.g. lamps, incandescent bulbs, scintillation chambers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
- H01L33/60—Reflective elements
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Planar Illumination Modules (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
- Led Device Packages (AREA)
- Optical Couplings Of Light Guides (AREA)
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
Description
本發明係有關一種發光二極體裝置，尤指一種具有曲面光導陣列以模擬實際曲面光源的發光二極體裝置。The present invention relates to a light-emitting diode device, and more particularly to a light-emitting diode device having a curved light guide array to simulate an actual curved light source.
發光二極體(light emitting diode,LED)具有低耗電、高使用壽命的特性。隨著發光二極體技術的成熟，應用在照明(illumination)以及指示(indicating)光源的發光二極體裝置也越來越常見。為達特定面積的照明或指示，發光二極體在電路板上常以陣列的方式分佈，也由於使用硬板的電路板的緣故，目前發光二極體陣列皆侷限在平面的應用上。然而當平面分佈的發光二極體陣列光源應用於曲面外形的場合，例如機器人外表的指示顯示區域、交通號誌、曲面電子看板...等應用時，若觀看的角度不是正面對著發光二極體陣列，則會很明顯地發現發光二極體陣列是位在一個平面上，以致於失去了曲面設計的用意。The light emitting diode (LED) has the characteristics of low power consumption and high service life. As LED technology matures, light-emitting diode devices that are used in illumination and indicating light sources are becoming more common. In order to achieve a certain area of illumination or indication, the LEDs are often distributed in an array on the circuit board. Due to the use of a hard board, the current array of LEDs is limited to planar applications. However, when a planar distributed light-emitting diode array light source is applied to a curved surface shape, such as an indication display area of a robot exterior, a traffic sign, a curved electronic signboard, etc., if the viewing angle is not facing the light-emitting two In the polar body array, it is obvious that the array of light-emitting diodes is located on a plane, so that the intention of the surface design is lost.
目前針對部分較大型的曲面顯示看板，也有使用多塊電路板(其上分別具有多個發光二極體排列的陣列)拼接組合來模擬曲面的效果。但多塊電路板的組合設計也意味著成本的增加、電路板之間需以軟板或排線連接以進行訊號及電源的傳遞，而這樣的設計其可靠度也較單一電路板來得差。At present, for some of the larger curved surface display kanbans, there are also splicing combinations using multiple circuit boards (each having a plurality of arrays of light emitting diodes) to simulate the effect of the curved surface. However, the combined design of multiple boards also means an increase in cost, and the boards need to be connected by soft boards or cables for signal and power transmission, and such a design is less reliable than a single board.
本發明在發光二極體裝置中於電路基板與曲面殼體之間設置一配合曲面殼體的光導陣列，使曲面的發光二極體產品能呈現發光二極體陣列的效果，且從不同的角度觀看時，仍可模擬光線自曲面發出的效果，使產品的使用更為生動，提供更佳的發光體驗。In the light emitting diode device, a light guide array matching the curved shell is disposed between the circuit substrate and the curved shell, so that the curved light emitting diode product can exhibit the effect of the light emitting diode array, and different from When viewed from an angle, the effects of light from the surface can still be simulated, making the product more vivid and providing a better lighting experience.
本發明的實施例提供一種具曲面光導陣列的發光二極體裝置，其包含有一基板、一光導陣列以及一曲面殼體。該基板具有複數個發光二極體，分別沿一光軸發射出光線。該光導陣列具有複數個光導通道、一第一表面以及一第二表面，該複數個光導通道分別貫穿該第一表面以及該第二表面且與該光軸具有相同走向，該複數個發光二極體發射的光線自該第一表面進入該複數個光導通道內反射後自該第二表面射出。該光導陣列設置於該基板以及該曲面殼體之間。其中該第一表面位於該光導陣列面對該基板之一側，該第二表面位於該光導陣列面對該曲面殼體之一側，且該第一表面與該基板為平面，該第二表面與該曲面殼體為曲面。Embodiments of the present invention provide a light emitting diode device having a curved light guide array including a substrate, a light guide array, and a curved housing. The substrate has a plurality of light emitting diodes that respectively emit light along an optical axis. The light guide array has a plurality of light guide channels, a first surface, and a second surface. The plurality of light guide channels respectively penetrate the first surface and the second surface and have the same orientation with the optical axis. The plurality of light emitting diodes The light emitted by the body is reflected from the first surface into the plurality of light guiding channels and is emitted from the second surface. The light guide array is disposed between the substrate and the curved housing. The first surface is located on a side of the light guide array facing the substrate, the second surface is located on a side of the light guide array facing the curved shell, and the first surface is planar with the substrate, the second surface The curved shell is curved.
請參考第1圖，第1圖為本發明所揭露的具有曲面光導陣列的發光二極體裝置1之一實施例的分解示意圖。發光二極體裝置1包含有一平面基板10、一光導陣列20以及一曲面殼體30。平面基板10為硬板電路板，其上具有複數個發光二極體11，在本實施例中，發光二極體11在基板10上以陣列方式排列，以提供大面積的平面光源。曲面殼體30為配合發光二極體11陣列光源所應用的曲面外型的裝置而具有彎曲延伸的表面，可為透光的壓克力、塑膠或玻璃等材質。而光導陣列20則設置在基板10以及曲面殼體30之間，以將平面的發光二極體11陣列光源模擬為配合曲面殼體30的曲面光源。Please refer to FIG. 1 . FIG. 1 is an exploded perspective view of an embodiment of a light-emitting diode device 1 having a curved light guide array according to the present invention. The light emitting diode device 1 includes a planar substrate 10, a light guide array 20, and a curved housing 30. The planar substrate 10 is a hard-board circuit board having a plurality of light-emitting diodes 11 thereon. In the present embodiment, the light-emitting diodes 11 are arranged in an array on the substrate 10 to provide a large-area planar light source. The curved case 30 has a curved and extended surface for the curved surface type device to which the array light source of the light-emitting diode 11 is applied, and can be made of light-transmitting acrylic, plastic or glass. The light guide array 20 is disposed between the substrate 10 and the curved shell 30 to simulate the planar light-emitting diode 11 array light source as a curved light source that fits the curved shell 30.
請參考第2圖以及第3圖，第2圖為本發明實施例中的光導陣列20的正面示意圖，第3圖則為光導陣列20的側面示意圖。如圖所示，光導陣列20具有複數個光導通道23，每一個光導通道23分別貫穿光導陣列20的第一表面21以及第二表面22。在發光二極體裝置1中，光導通道23的數目可與基板10上的發光二極體11數目相同，且一對一對應排列，使每一個發光二極體11發出的光線自第一表面21進入其所對應的光導通道23而由第二表面22發出。光導通道23亦可以一對多個發光二極體11的方式排列設置，亦即多個發光二極體11所發出的光線自第一表面21進入其所共同對應的光導通道23而由第二表面22發出。Please refer to FIG. 2 and FIG. 3 . FIG. 2 is a front view of the light guide array 20 in the embodiment of the present invention, and FIG. 3 is a schematic side view of the light guide array 20 . As shown, the light guide array 20 has a plurality of light guide channels 23, each of which extends through the first surface 21 and the second surface 22 of the light guide array 20, respectively. In the light-emitting diode device 1, the number of the light guiding channels 23 is the same as the number of the light-emitting diodes 11 on the substrate 10, and is arranged in a one-to-one correspondence, so that the light emitted from each of the light-emitting diodes 11 is from the first surface. 21 enters its corresponding light guide channel 23 and is emitted by the second surface 22. The light guiding channel 23 can also be arranged in a manner of a pair of the plurality of light emitting diodes 11, that is, the light emitted by the plurality of light emitting diodes 11 enters the corresponding light guiding channel 23 from the first surface 21 and is second. Surface 22 is emitted.
請參考第4圖，第4圖為發光二極體裝置1的部份側面剖視圖。由於基板10以及其上所排列的發光二極體11陣列在剖視圖上為一平面，因此為有效接收發光二極體11沿著各自的光軸(如第4圖的L1 L2 軸線)所發出的光線，光導陣列20面對基板10一側的第一表面21亦為一平面(其上具有複數個光導通道23的貫穿口)，而第一表面21與基板10具有等距離d1 ，且考慮對發光二極體11發出的光線的接收效率，距離d1 較佳地不大於各發光二極體11沿著各自光軸的長度(或高度)h1 的7倍，因此在光導陣列20的第一表面21以相當靠近基板10的距離設置時，可有效接收自發光二極體11陣列所發出的光線。Please refer to FIG. 4, which is a partial side cross-sectional view of the light-emitting diode device 1. Since the substrate 10 and the array of the light-emitting diodes 11 arranged thereon are a plane in a cross-sectional view, the light-emitting diodes 11 are effectively received along the respective optical axes (such as the L 1 L 2 axis of FIG. 4). The emitted light, the first surface 21 of the light guide array 20 facing the substrate 10 is also a plane (having a plurality of through holes of the plurality of light guiding channels 23), and the first surface 21 has an equidistance d 1 with the substrate 10. Considering the receiving efficiency of the light emitted from the light-emitting diode 11, the distance d 1 is preferably not more than 7 times the length (or height) h 1 of each of the light-emitting diodes 11 along the respective optical axes, and thus the light guide array When the first surface 21 of 20 is disposed at a relatively close distance from the substrate 10, the light emitted from the array of the self-luminous diodes 11 can be effectively received.
在光導陣列20中，各個光導通道23係與其所對應的一或多個發光二極體11的光軸具有相同的走向，而各光導通道23的表面為可反射光線的鏡面，其可以金屬電鍍或噴漆的方式對一具有多個通道的塑件進行處理，使經過處理後的塑件成為具有多個具有鏡面反射面的光導通道23的光導陣列20。當發光二極體11以L1 L2 軸線為光軸發出的光線自第一表面21的各光導通道23貫穿口進入後，光線在各光導通道23的鏡面表面發生反射，直到光線自光導通道23在第二表面22的貫穿口射出，使得在基板10上的發光二極體11陣列所具有的光源特性(尤其是在利用發光二極體陣列作為指示光源的應用場合)經過光導陣列20各對應的光導通道23後，仍可在射出的第二表面22保留相同或類似的光源特性。而經過前述金屬電鍍或噴漆處理的光導陣列20亦可確保光線僅能通過各光導通道23，不致讓各發光二極體11發出的光線發生混光的結果。In the light guide array 20, each light guide channel 23 has the same direction as the optical axis of one or more corresponding light-emitting diodes 11 corresponding thereto, and the surface of each light guide channel 23 is a mirror surface capable of reflecting light, which can be metal plated. Alternatively, the plastic part having a plurality of channels is treated in such a manner that the processed plastic part becomes a light guide array 20 having a plurality of light guide channels 23 having specular reflection surfaces. When the light emitted by the light-emitting diode 11 with the L 1 L 2 axis as the optical axis enters through the light-guiding channel 23 of the first surface 21, the light is reflected on the mirror surface of each light guide channel 23 until the light is transmitted from the light guide channel. 23 is emitted at the through opening of the second surface 22 such that the light source characteristics of the array of light emitting diodes 11 on the substrate 10 (especially in applications where the light emitting diode array is used as an indicator light source) pass through the light guide array 20 After the corresponding light guide channel 23, the same or similar light source characteristics can still be retained on the second surface 22 that is ejected. The light guide array 20 subjected to the above metal plating or painting process can also ensure that light can pass only through the respective light guide channels 23 without causing light of the light emitted from each of the light emitting diodes 11 to be mixed.
由於發光二極體裝置1最後呈現的表面為曲面殼體30所表示的曲面，因此為配合曲面之殼體30，光導陣列20面對曲面殼體30一側的第二表面22亦為與曲面殼體30具有相同走向的曲面(其上具有複數個光導通道23的貫穿口)，而第二表面22與曲面殼體30具有等距離d2 ，且為維持各光導通道23出來的光線在曲面殼體30上所呈現的效果，距離d2 較佳地不大於光導陣列20中最長的光導通道23的長度h2 (即第3圖中光導陣列20的最大厚度)的1/3，使曲面殼體30以盡可能接近第二表面22的方式設置。以有效模擬曲面陣列光源的效果。Since the surface finally presented by the light-emitting diode device 1 is a curved surface represented by the curved shell 30, the second surface 22 of the light guide array 20 facing the curved shell 30 is also a curved surface for the curved shell 30. The housing 30 has a curved surface of the same direction (with a plurality of through holes of the plurality of light guiding channels 23), and the second surface 22 has an equidistance d 2 with the curved housing 30, and the light rays for maintaining the light guiding passages 23 are curved. upper housing 30 presented results, the distance d 2 is preferably not more than 20 in the light guide array longest length of the light guide channel h 2 23 1/3 (i.e., FIG. 3, the maximum thickness of the light guide array 20) of the curved surface The housing 30 is disposed as close as possible to the second surface 22. To effectively simulate the effect of a curved array source.
在上述的圖示中，光導陣列20的第二表面22的曲面形狀為配合圖示中的曲面殼體30外型以作說明的目的，本發明所揭露的發光二極體裝置1的光導陣列20以及曲面殼體30的外型當不受圖示的實施例所限制，凡在平面的發光二極體陣列光源以及曲面的外殼之間設置一具有對應的光反射通道的光導陣列，且光導陣列的第一表面與第二表面分別與發光二極體陣列的平面以及曲面外殼的曲面互相配合的發光二極體裝置，皆應屬本發明所揭露的技術的範圍。In the above illustration, the curved surface shape of the second surface 22 of the light guide array 20 is for the purpose of description of the curved housing 30 in the drawing, and the light guide array of the light emitting diode device 1 disclosed in the present invention is shown. 20 and the outer shape of the curved housing 30 is not limited by the illustrated embodiment, and a light guide array having a corresponding light reflecting channel is disposed between the planar light emitting diode array light source and the curved outer casing, and the light guide The light-emitting diode device in which the first surface and the second surface of the array respectively cooperate with the plane of the light-emitting diode array and the curved surface of the curved outer casing is within the scope of the technology disclosed in the present invention.
以上所述僅為本發明之較佳實施例，凡依本發明申請專利範圍所做之均等變化與修飾，皆應屬本發明之涵蓋範圍。The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.
1．．．發光二極體裝置1. . . Light-emitting diode device
10．．．基板10. . . Substrate
11．．．發光二極體11. . . Light-emitting diode
20．．．光導陣列20. . . Light guide array
21．．．第一表面twenty one. . . First surface
22．．．第二表面twenty two. . . Second surface
23．．．光導通道twenty three. . . Light guide channel
30．．．曲面殼體30. . . Curved shell
第1圖為本發明具有曲面光導陣列的發光二極體裝置的分解示意圖。1 is an exploded perspective view of a light emitting diode device having a curved light guide array of the present invention.
第2圖為光導陣列的正面示意圖。Figure 2 is a front elevational view of the light guide array.
第3圖為光導陣列的側面示意圖。Figure 3 is a side view of the light guide array.
第4圖為發光二極體裝置的部份側面剖視圖。Figure 4 is a partial side cross-sectional view of the light emitting diode device.
1．．．發光二極體裝置1. . . Light-emitting diode device
10．．．基板10. . . Substrate
11．．．發光二極體11. . . Light-emitting diode
20．．．光導陣列20. . . Light guide array
23．．．光導通道twenty three. . . Light guide channel
30．．．曲面殼體30. . . Curved shell
Claims (7)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW099116628A TWI434392B (en) | 2010-05-25 | 2010-05-25 | Led device having light guide array with curved surface |
| US13/084,520 US20110292675A1 (en) | 2010-05-25 | 2011-04-11 | Led device having light guide array with curved surface |
| JP2011098333A JP5361936B2 (en) | 2010-05-25 | 2011-04-26 | LED device having light guide array with curved surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW099116628A TWI434392B (en) | 2010-05-25 | 2010-05-25 | Led device having light guide array with curved surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201143021A TW201143021A (en) | 2011-12-01 |
| TWI434392B true TWI434392B (en) | 2014-04-11 |
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| TW099116628A TWI434392B (en) | 2010-05-25 | 2010-05-25 | Led device having light guide array with curved surface |
Country Status (3)
| Country | Link |
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| US (1) | US20110292675A1 (en) |
| JP (1) | JP5361936B2 (en) |
| TW (1) | TWI434392B (en) |
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| US8967834B2 (en) | 2012-05-23 | 2015-03-03 | Iluminage Beauty, Ltd. | Curved dead front display |
| CN104696733A (en) * | 2013-12-09 | 2015-06-10 | 欧普照明股份有限公司 | Illumination lamp and illumination module thereof |
| KR101832965B1 (en) * | 2014-02-07 | 2018-04-13 | 엘지전자 주식회사 | Back light unit for lcd pannel |
| JP6878940B2 (en) * | 2017-02-15 | 2021-06-02 | 株式会社三洋物産 | Pachinko machine |
| GB2568024A (en) * | 2017-09-25 | 2019-05-08 | Emotech Ltd | Display device |
| US20190271445A1 (en) * | 2018-03-01 | 2019-09-05 | Dell Products L.P. | System and method for producing indicator light assembly with plastic housing |
| CN114829997B (en) * | 2020-09-21 | 2023-12-12 | 京东方科技集团股份有限公司 | Light guide structure, light source module and display module |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20200571U1 (en) * | 2002-01-15 | 2002-04-11 | FER Fahrzeugelektrik GmbH, 99817 Eisenach | vehicle light |
| US7441913B2 (en) * | 2002-12-23 | 2008-10-28 | Lisa Dräxlmaier GmbH | Lighting system for displays in vehicles |
| JP3096166U (en) * | 2003-02-27 | 2003-09-05 | 有限会社ハル・コーポレーション | Luminous ornaments |
| JP2005038831A (en) * | 2003-07-03 | 2005-02-10 | Olympus Corp | Optical apparatus, illumination device, and color illumination device |
| JP2005070443A (en) * | 2003-08-25 | 2005-03-17 | Olympus Corp | Optical device, lighting system and projector |
-
2010
- 2010-05-25 TW TW099116628A patent/TWI434392B/en not_active IP Right Cessation
-
2011
- 2011-04-11 US US13/084,520 patent/US20110292675A1/en not_active Abandoned
- 2011-04-26 JP JP2011098333A patent/JP5361936B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20110292675A1 (en) | 2011-12-01 |
| JP2011249784A (en) | 2011-12-08 |
| JP5361936B2 (en) | 2013-12-04 |
| TW201143021A (en) | 2011-12-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |